Manual

MAX2338
Triple/Dual-Mode CDMA LNA/Mixers
4 _______________________________________________________________________________________
PARAMETER CONDITIONS
MIN
TYP
MAX
UNITS
HIGH-GAIN, LOW-LINEARITY IDLE MODE
Gain (Note 2)
10.1
13 16 dB
Noise Figure (Note 3) T
A
= +25°C 7.3 9.0 dB
IIP3 (Notes 3, 4) 1.4 3.5
dBm
FM MODE
Gain (Note 2) 6.0 8.8
11.1
dB
Noise Figure (Note 3) T
A
= +25°C 8.7
11.0
dB
IIP3 (Note 4) 1.4 3.4
dBm
PCS MIXER PERFORMANCE
CDMA HIGH-GAIN, HIGH-LINEARITY MODE
Gain (Note 2)
11.7 14.5
17 dB
Noise Figure (Note 3) T
A
= +25°C 7.8 9.0 dB
IIP3 (Notes 3, 5) 3.5 7.5
dBm
HIGH-GAIN, LOW-LINEARITY MODE
Gain (Note 2)
11.2
14
16.2
dB
Noise Figure (Note 3) T
A
= +25°C 7.2 9.0 dB
IIP3 (Note 5) 0.5 2.5
dBm
ALL MODES
Mixer Output 1dB Compression -1
dBm
4 x 5 Suppression (Note 6)
>45
dB
2 x 2 Inp ut Inter cep t P oi nt ( N otes 3, 7)
25 33
dBm
LO Output Level (Note 3) Into 50Ω or 100Ω load, BUFFEN = HIGH -12 -6
dBm
LO Output Leakage BUFFEN = LOW -35
dBm
LO E m i ssi on at P C S LN A Inp ut P or t -55
dBm
LO Emission at Cellular LNA Input
Port
-55
dBm
LO Output Harmonic Suppression BUFFEN = HIGH -15
dBc
PCS band, 80MHz below LO
-161
LO Output Noise Power BUFFEN = HIGH
C ell ul ar b and , 45M Hz b el ow LO
-161
dBm/Hz
RF Ports Return Loss
All active RF ports including 2-element matching
10 dB
AC ELECTRICAL CHARACTERISTICS (continued)
(MAX2338 EV kit, V
CC
= +2.7V to +3.3V, f
PLNAIN
= f
PMIXIN
= 1930MHz to 1990MHz, f
CLNAIN
= f
CMIXIN
= 869MHz to 894MHz, f
IF
=
183MHz, high side LO, LO/2 = LOW. All ports matched to 50Ω, R
RLNA
= R
RBIAS
= 24kΩ, T
A
= -40°C to +85°C. Typical values are at
T
A
= +25°C, V
CC
= +3.0V, unless otherwise noted.)
Note 1: Operation over this frequency range may require the ports to be rematched for the desired operating frequency.
Note 2: MIN guaranteed by production test, MAX guaranteed by design and characterization.
Note 3: Guaranteed by design and device characterization.
Note 4: Two-tone IIP3. Tested at f
RF1
= 880MHz, f
RF2
= 880.9MHz, and power = -25dBm/tone.
Note 5: Two-tone IIP3. Tested at f
RF1
= 1960MHz, f
RF2
= 1961.25MHz, and power = -25dBm/tone.
Note 6: F
LO
= 1064MHZ, f
RF1
= 887.8MHz at -30dBm, f
RF2
= 881MHz at -100dBm. Performance is measured as P
IF
due to
RF1 - P
IF
due to RF2.
Note 7: F
LO
= 2143MHz, f
RF1
= 2051.5MHz at -35dBm, f
RF2
= 1960MHz at -100dBm. Performance is measured as P
IF
due to
RF1 - P
IF
due to RF2.